General Features

• Packaging:
  – 352-Terminal Ball Grid Array (BGA) or
  – 320-Pin Staggered Pin Grid Array (SPGA)
• 0.18-micron four-layer metal CMOS process
• Split-rail design:
  – Available 1.8V, 2.0V, or 2.2V core
  – 3.3V I/O interface
• Fully static design
• Low typical power consumption*
  – 0.8W @ 1.8V/200 MHz
  – 1.4W @ 2.2V/333 MHz
  

* Note: Typical power consumption is defined as an average, measured running browser at 80% active idle (Suspend-on-Halt) with a display resolution of 800 x 600 x 8 bpp @ 75 Hz.

• Speeds offered up to 333 MHz
• Unified memory architecture
  – Frame buffer and video memory reside in main memory
  – Minimizes PCB area requirements
  – Reduces system cost
• Compatible with multiple AMD Geode™ companion devices

x86 Processor

• Supports the MMX™ instruction set extension for the acceleration of multimedia applications
• 16 KB unified L1 cache
• Six-stage, pipelined integer unit
• Integrated Floating Point Unit (FPU)
• Memory Management Unit (MMU) adheres to standard paging mechanisms and optimizes code fetch performance
  – Load-store reordering gives priority to memory reads
  – Memory-read bypassing eliminates unnecessary or redundant memory reads
• Re-entrant System Management Mode (SMM) enhanced for AMD’s Virtual System Architecture™ (VSA™) technology

Flexible Power Management

• Supports a wide variety of standards
  – APM (Advanced Power Management) for legacy power management
  – ACPI (Advanced Configuration and Power Interface) for Microsoft® Windows® power management
  – Direct support for all standard processor (C0-C4) states
  – OnNOW design initiative compliant
• Supports a wide variety of HW- and SW-controlled modes
  – Active idle (core-only stopped, display active)
  – Standby (core and all integrated functions halted)
  – Sleep (core and all integrated functions halted, all external clocks stopped)
  – Suspend modulation (automatic throttling of CPU core via Geode I/O or graphics companion chip)
  – Programmable duty cycle for optimal performance/thermal balancing
  – Several dedicated and programmable wake-up events (via Geode I/O or graphics companion chip)
  

PCI Host Controller

• Several arbitration schemes supported
• Directly supports up to three PCI bus masters
  – More with external logic
• Synchronous to CPU core
• Allows external PCI master accesses to main memory concurrent with CPU accesses to L1 cache

Virtual Systems Architecture (VSA) Technology

• Innovative architecture allowing OS independent (software) virtualization of hardware functions
• Provides XpressGraphics subsystem
  – High-performance legacy VGA core compatibility

* Note: GUI (Graphical User Interface) acceleration is pure hardware.

• Provides 16-bit XpressAUDIO™ subsystem
  – 16-bit stereo FM synthesis
  – OPL3 emulation
  – Supports MPU-401 MIDI interface
  – HW assist provided via Geode I/O companion chip
• Additional HW functions can be supported as needed

2D Graphics Accelerator

• Accelerates BitBLTs, line draw, text
  – Bresenham vector engine
• Supports all 256 Microsoft-defined Raster Operations (ROPs)
• Supports transparent BLTs and page flipping for DirectDraw®
• Runs at core clock frequency
• Full VGA and VESA mode support
• Special “driver level” instructions utilize internal scratchpad for enhanced performance

Display Controller

• Display Compression Technology (DCT) architecture greatly reduces memory bandwidth consumption of display refresh
• Supports a separate video buffer and data path to enable video acceleration in Geode I/O and graphics companion chips
• Internal palette RAM for gamma correction
• Direct interface to Geode I/O and graphics companion chips for CRT and TFT flat panel support eliminating the need for an external RAMDAC
• Hardware cursor
• Supports up to 1280 x 1024 x 16 bpp

XpressRAM™ Subsystem

• SDRAM interface tightly coupled to CPU core and graphics subsystem for maximum efficiency
• 64-bit wide memory bus
• Support for
  – Two 168-pin unbuffered DIMMs
  – Up to 16 open banks simultaneously
  – 16-byte reads (burst length of two)
  – Up to 512 MB total memory supported

Diverse Operating System Support

• Microsoft® Windows® XP, XP Embedded and Windows CE.Net and Embedded NT in non-PC applications; along with Windows CE and Embedded NT
• Linux
• BIOS Support
  – Bootloaders available at no cost for rapid prototyping
  – Diverse BIOS solutions available for cost/feature optimization
  • XpressROM available through Insyde
  • Phoenix, SystemSoft, etc. solutions also available

AMD Geode™ CS5530A Companion Device Technical Specifications

General Features

• Designed for use with the AMD Geode™ GX1 processor
• 352-Terminal Tape Ball Grid Array (TBGA) package
• 3.3V or 5.0V PCI bus compatible
• 5.0V tolerant I/O interfaces
• 3.3V core

PCI-to-ISA Bridge

• PCI 2.1 compliant
• Supports PCI initiator-to-ISA and ISA master-to-PCI cycle translations
• PCI master for audio I/O and IDE controllers
• Subtractive agent for unclaimed transactions
• PCI-to-ISA interrupt mapper/translator

AT Compatibility

• Two 8259A-equivalent interrupt controllers
• 8254-equivalent timer
• Two 8237-equivalent DMA controllers
• Boot ROM and keyboard chip select
• Extended ROM to 16 MB

Bus Mastering IDE Controllers

• Two controllers with support for up to four IDE devices
• Independent timing for master and slave devices for both channels
• PCI bus master burst reads and writes
• Ultra DMA/33 (ATA-4) support
• Multiword DMA support
• Programmed I/O (PIO) Modes 0-4 support

Power Management

• Intelligent system controller supports multiple power management standards:
  – Full ACPI and Legacy (APM) support
  – Directly manages all GX1 Processor power states
• I/O traps and idle timers for peripheral power management
• Up to eight GPIOs for system control
• Dedicated inputs for keyboard and mouse wakeup events

XpressAUDIO Subsystem

• Provides “back-end” hardware support via six buffered PCI bus masters
• AC97 codec interface

Display Subsystem Extensions

• Complements the GX1 processor graphics and video
  – Three line buffers for video
  – YUV to RGB conversion hardware
  – Arbitrary X & Y interpolative scaling
  – Color keying for graphics/video overlay
• VDACs/display interface
  – Three integrated DACs
  – Palette RAM
  • Provides gamma correction and brightness/contrast
  – Integrated DOT clock generator
  – Digital RGB interface drives TFT panels or standard NTSC/PAL encoders

Universal Serial Bus

• One open HCI compliant controller with two ports